Graphical Display of Pairwise Linkage Disequilibria Between SNPs

Produces a graphical display, as a heat map, of measures of pairwise linkage disequilibria between SNPs. Users may optionally include the physical locations or genetic map distances of each SNP on the plot.


Reference manual

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0.99-2 by Brad McNeney, a year ago

Browse source code at

Authors: Ji-Hyung Shin <>, Sigal Blay <>, Nicholas Lewin-Koh <>, Brad McNeney <>, Jinko Graham <>

Documentation:   PDF Manual  

Task views: Statistical Genetics

GPL-3 license

Imports genetics, chopsticks

Depends on grid

Suggests rtracklayer, GenomicRanges, GenomeInfoDb, IRanges, lattice, ggplot2

Imported by lmem.gwaser, synbreed.

See at CRAN